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https://github.com/ziglang/qemu-static

build qemu-static binaries using Alpine Linux docker
https://github.com/ziglang/qemu-static

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build qemu-static binaries using Alpine Linux docker

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# qemu-static

The purpose of this project is to build a highly compatible linux QEMU binary
package for Zig CI testing.

Zig requires a very recent QEMU version, sometimes unreleased commit-revs, and
sometimes with custom patches. For this reason, distro-based QEMU packages are
unsuitable.

The overall strategy is to use Alpine Linux to host a QEMU build and link
statically to all possible libraries.

It is a non-goal to build QEMU with all features enabled.
It is a non-goal to build QEMU with system emulation enabled.
It is a non-goal to build older versions of QEMU.

## build docker image
```
docker build --tag qemu .
```

## run container, save ID, copy artifact(s)
```
mkdir ../artifact
docker run -it --cidfile=qemu.cid qemu true
docker cp "$(cat qemu.cid):work/artifact/." ../artifact/.
```

## review final artifact(s)
```
ls -al ../artifact/
```

## cleanup container, ID-file, and image
```
docker container rm $(cat qemu.cid)
rm qemu.cid
docker image rm qemu
```

## really, really cleanup docker
```
docker system prune --force
```